| 摘要 |
<p>The present invention provides an apparatus for feeding blanks of sheet material to processing machinery comprising: roller members axially positioned to rotate in the direction of travel of said blanks as said blanks are moved to said processing machinery, said roller members serving as a feed bed for supporting a stack of blanks and extending successively in the direction of travel of the blanks; hold down means for said blanks including a vacuum source for providing negative pressure to be applied substantially throughout the space between said successive roller members against said lowermost blank of said stack; means to move the lowermost blank of said stack toward said processing machinery, and means for preventing movement of all blanks but the lowermost blank of said stack towards said processing machinery.</p> |
